{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3VA1050-3ED32-0KC0","brand":"Siemens","brandSlug":"siemens","productSlug":"3VA1050-3ED32-0KC0","canonicalUrl":"https://aoctrl.com/siemens/3VA1050-3ED32-0KC0","factsUrl":"https://aoctrl.com/api/mcp/products/3VA1050-3ED32-0KC0","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SENTRON 3VA1050-3ED32-0KC0, molded case circuit breaker, 3-pole, 50 A rated continuous current, 75.6 kA interrupting at 240 V, TM210 thermal-magnetic release, shunt trip, IP40 front.","salesMarkdown":"It carries 75.6 kA interrupting capacity at 240 V and 52.5 kA at 415 V, so it handles high-fault utility feeds and transformer secondaries without cascading upstream. ## Key Ratings & Fit The 50 A continuous rating holds flat from 40 °C to 50 °C, then derates to 45 A at 70 °C — a 10 % drop across the full operating range, so a panel at 60 °C still gets 47 A. The interrupting curve is steep: 75.6 kA at 240 V drops to 7.5 kA at 690 V. The shunt trip (STL) auxiliary release is built in; the auxiliary contact version carries 2 HQ switches (form C). ## Integration Footprint is 76.2 mm wide by 130 mm tall by 70 mm deep — fits a 4-inch deep enclosure with room for finger-safe gland plates. The 2 auxiliary switches (HQ type) are pre-wired; wire them to the PLC digital input for breaker status feedback.","metaTitle":"Siemens 3VA1050-3ED32-0KC0 SENTRON MCCB, 50 A, 3-Pole, 75.6","metaDescription":"Siemens SENTRON 3VA1050-3ED32-0KC0 molded case circuit breaker, 50 A continuous, 3-pole, 75.6 kA at 240 V. Active lifecycle. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Molded Case Circuit Breakers (MCCB)"],"specifications":{"Depth":"70 mm","Width":"76.2 mm","Height":"130 mm","at 240 V":"75.6 kA","at 415 V":"52.5 kA","at 440 V":"32 kA","at 690 V":"7.5 kA","at 40 °C":"50 A","at 45 °C":"50 A","at 50 °C":"50 A","at 55 °C":"48 A","at 60 °C":"47 A","at 65 °C":"46 A","at 70 °C":"45 A","Trip indicator":"No","Number of poles":"3","Product version":"Line protection","Voltage trigger":"Yes","lifecycle_stage":"current","Product brand name":"SENTRON","Product designation":"Molded case circuit breaker","Latching - endurance":"15 000","Undervoltage Release":"No","Communication Function":"No","Phase failure detection":"No","During Storage / Maximum":"80 °C","During Storage / Minimum":"-40 °C","Auxiliary contact version":"2 auxiliary switches HQ","During Operation / Maximum":"70 °C","During Operation / Minimum":"-25 °C","Other Measurement Function":"No","Rated continuous current Iu":"50 A","Rated insulation voltage Ui":"800 V","Design of the auxiliary release":"Shunt trip (STL)","Ground fault monitoring version":"Without","Of The Integrated Auxiliary Trip":"3VA9688-0BL33","Design of the overcurrent release":"TM210","Design of short-circuit protection":"For switching power values in DC networks, see the 3VA molded case circuit breaker device manual; link to be found under Service & Support in the last chapter","Protection class IP / on the front":"IP40","Reference code / acc. to DIN EN 81346-2":"Q","Adjustable response value time / tr max.":"1","Adjustable response value time / tr min.":"1","Max. rated operational voltage Ue with DC":"500 V","Undervoltage Release With Leading Contact":"No","Product extension / optional / motor drive":"No","Adjustable response value current / Ir max.":"50 A","Adjustable response value current / li max.":"500 A","Adjustable response value current / li min.":"500 A","Adjustable response value current / lr min.":"50 A","Neutral conductors / upgradeable/retrofittable":"No","Number of CO contacts / for auxiliary contacts":"2","Protective function of the overcurrent release":"LI","Of The Integrated Auxiliary Switch/Alarm Switch":"3VA9988-0AA12","Switching capacity class of the circuit breaker":"N","Max. rated operational current of the frame size":"100 A","Max. rated operational voltage Ue with AC 50/60Hz":"690 V","Type of electrical connection / for main current circuit":"lug terminal","Arrangement of electrical connectors / for main current circuit":"Front terminal","Type of connectable conductor cross-section, connection screw, width x thickness , max.":"17 x 6.5","Type of connectable conductor cross-section, connection screw, width x thickness , min.":"12 x 0"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=323254&mlfb=3VA1050-3ED32-0KC0","alternativesUrl":"https://aoctrl.com/api/mcp/products/3VA1050-3ED32-0KC0/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy 3VA1050-3ED32-0KC0?","answer":"It is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time."},{"question":"What is the closest functional second-source for 3VA1050-3ED32-0KC0?","answer":"The 3VA1010-2ED42-0AE0 is a lower-current sibling (40 A vs 50 A) with the same 3-pole form factor and TM release. It will drop into the same panel footprint but cannot carry the same load — verify your continuous current before substituting."},{"question":"What compliance documentation does this brand provide for 3VA1050-3ED32-0KC0?","answer":"As a Siemens SENTRON product, it carries the standard IEC/EN 60947-2 compliance for molded case circuit breakers. RoHS and REACH declarations are available from Siemens support."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3VA1050-3ED32-0KC0","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3VA1050-3ED32-0KC0 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}